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How Vaonis’s automatic Mosaic and Multi-Night capture redefine smart astrophotography

How Vaonis’s automatic Mosaic and Multi-Night capture redefine smart astrophotography

02 Dec. 2025

Smart telescopes have made astrophotography more accessible, removing the complexity of mounts, alignment, tracking, and stacking. But when it comes to truly ambitious, high-quality projects, most models still hit a wall.

Vaonis breaks through that wall. By combining Live Mosaic mode (conceived and introduced first by Vaonis in 2022) and automatic Multi-Night capture, Vespera redefines what’s possible with a smart telescope.

Together, these features deliver an unparalleled astrophotography experience, enabling wide-field, high-quality, deeply detailed projects with unprecedented ease.


Don't choose between wide field or high detail resolution. Get both thanks to Vespera UHD sensor, Mosaic and Multi-Night capture. View full size image.

What Mosaic Mode Really Offers

Every telescope has a fixed field of view determined by its optics and sensor. Many large nebulae, star clouds, and galaxy groups simply don’t fit in a single frame. Mosaic imaging is the solution, but traditionally, it is notoriously complex, requiring precise framing, controlled overlap, and heavy post-processing to align and blend panels.

When targeting the famous Orion Nebula with mosaic mode, there's much more to see than the classical figure (Vespera Pro, 9 hours of data). View image in full size.

This is why Vaonis invented and patented Sliding Stacking: a technique that simultaneously scans a wide field and live-stacks the data in real time.

You simply choose the center of your composition, define the framing (including width and orientation), and the telescope does the rest. Mosaic capture becomes live, seamless, and incredibly simple. Mosaic mode dramatically expands the range of targets accessible to small smart telescopes.

Several competitors have tried to replicate Vaonis’s mosaic feature, yet none reach the same level of reliability or quality, either due to insufficient mechanical precision, sensor resolution, optical performance, or simply a lack of Vaonis’s years of experience refining the technique.

Vespera already offers a generous native field of view and high-definition sensor. Combined with an algorithm refined over years, the results are incredible 24-megapixel (Vespera II) to 50-megapixel (Vespera Pro) images that reveal both the big picture and intricate details, all with unprecedented simplicity.

Vespera mosaic mode maximum field ofview

Capturing mosaics isn’t just about convenience. It’s about dependability.
With Vespera, the mosaic result is clean straight out of the telescope, no need to restack or repair artifacts.

The Rho Ophiuchi molecular cloud : a vast and delicate structure that couldn't have been captured in such a quality by a smart telescope without a dependable mosaic mode ( Vespera, 30 hours of data) . View image in full size.

Why Multi-Night Capture Matters

In astrophotography, integration time is everything. The more exposure you collect, the lower the noise and the more faint detail emerges. Since a single night offers limited hours of capture, multi-night acquisition is essential for high-quality deep-sky imaging.
Vaonis makes this effortless with an exclusive feature.

Automatic Multi-Night capture eliminates all complexity. Once a session begins, the system saves every parameter, framing, coordinates, filters, exposure settings, in a single project file.
The next evening, users simply press Resume.
Vespera automatically realigns and continues stacking on top of the previous data, even if days have passed or the session resumes from a different location.

The delicate Seahorse Nebula near the Fireworks Galaxy: A challenging target captured in a quality no other smart telescope can match (Vespera II X_edition, 17 hours of data). View the image in full size.

This combination of automation and precision allows users to accumulate huge amounts of data, often tens of hours. The final result is fully stacked and cleaned, stored in one lightweight file, without filling or cluttering the telescope’s memory.

With Vaonis, multi-night capture is routine, even for beginners.

Combining Mosaic and Multi-Night capture: A Vaonis unique ability

The true potential of Vespera emerges when Mosaic mode and Multi-Night capture are used together. This pairing pushes the limits of what a smart telescope can achieve, dramatically increasing both scale and quality.

Because the system is so effortless, many Vespera owners naturally begin capturing large, high-quality wide-field images over several nights.

The heart of the Small Magellanic Cloud. A difficult target requiring both wide field and extensive acquisition time (17 hours with mosaic mode - Vespera Pro ). View full size image

Only Vespera makes these ambitious workflows practical.

Pushing the Limits: Capturing Ultra-Wide-Field Mega-Mosaics

So… what’s the next step?
Every automatic mosaic system has a maximum field of view depending of its native FOV. Vespera II can reach a generous 4.33° × 2.43°, and Vespera Pro up to 3.2° × 3.2°.

Yet many Milky Way nebula complexes are far larger. Capturing them as a single, cohesive image would allow a smart telescope to approach the capabilities of DSLR wide-field astrophotography.

Is this achievable?
Yes, by stitching multiple mosaics together.

This may sound simple, but without dependable mosaic capture and Multi-Night automation, it quickly becomes a nightmare. 

Thanks to Vaonis’s reliable mosaic engine and seamless Multi-Night workflow, some users have begun tackling these ultra-ambitious projects.
The results speak for themselves: The entire Cygnus Nebula complex or the Rho Ophiuchi molecular cloud.

The entire Cygnus Nebular complex captured with Vespera II with more than 200 hours of data acquisition and multiple mosaics stitched together (credit : Nathanael Martin). Learn more on this image.

Some of these mega-mosaics exceed 500 megapixels and cover fields of view wider than 10°, astonishing results for a telescope that fits in a backpack and operates at the push of a button.

Without both capabilities working together, projects of this scale would have remained out of reach.

Wrap-Up: What It Means for the User

Less tedious work, more results

Vespera’s premium mechanics, optics, and advanced stacking algorithms produce high-quality mosaics automatically. The output raw file is immediately ready for post-processing.

Access to more challenging targets

Dark nebulae and faint structures normally seem out of reach for small telescopes.
Multi-night capture breaks this barrier by enabling long exposures that reveal detail impossible in a single session.

More versatility

Mosaic capture + high-definition sensors widen the range of observable objects.
Vespera is equally comfortable capturing enormous nebulae or the fine details of galaxies.

Perfect composition and print-ready results

Mosaic mode allows you to frame a celestial scene precisely.
Ultra-high-definition images (up to 50 MP) enable large-format, high-quality prints.

Freedom to attempt ambitious projects

Ultra-wide-field imaging, becomes achievable. Easy mosaic and Multi-Night tools make large multi-mosaic projects realistic.

Simplified storage

All data is kept inside a single project. No memory clutter. No cumbersome file management.

More flexibility in unstable weather

Clouds approaching? Pause. Skies clearing? Resume.
Multi-night capture turns unpredictable weather into a manageable workflow.

The Small Magellanic Cloud. A large structure in the heart of the Milkyway requiring mosaic mode. View full size image.

A New Standard for Smart Astrophotography

For many users, Vespera’s Mosaic and Multi-Night capture aren’t optional extras, they are what elevate a smart telescope from a fun device to a serious astrophotography platform.
Together, they bridge the gap between simplicity and performance, between beginner ease and expert ambition.